[Gluster-users] Bareos backup from Gluster mount

[Ryan Clough]

Thank you Pranith but nothing interesting is logged to any of the Gluster
logs. Perhaps this is an issue with Bareos. Just though I would ping this
wonderful group for any wisdom. Thanks for taking the time to help. If I
discover the issue I will post back here.

___________________________________________
¯\_(ツ)_/¯
Ryan Clough
Information Systems
Decision Sciences International Corporation
<http://www.decisionsciencescorp.com/>
<http://www.decisionsciencescorp.com/>

On Wed, Jul 29, 2015 at 5:53 AM, Pranith Kumar Karampuri <
pkarampu at redhat.com> wrote:

>  hi Ryan,
>        What do you see in the logs of glusterfs mount and bricks? Do you
> think it is possible for you to attach those logs to this thread so that we
> can see what could be going on?
>
> Pranith
>
>
> On 07/28/2015 02:32 AM, Ryan Clough wrote:
>
>  Hello,
>
>  I have cross-posted this question in the bareos-users mailing list.
>
>  Wondering if anyone has tried this because I am unable to backup data
> that is mounted via Gluster Fuse or Gluster NFS. Basically, I have the
> Gluster volume mounted on the Bareos Director which also has the tape
> changer attached.
>
>  Here is some information about versions:
>  Bareos version 14.2.2
>  Gluster version 3.7.2
>  Scientific Linux version 6.6
>
>  Our Gluster volume consists of two nodes in distribute only. Here is the
> configuration of our volume:
> [root at hgluster02 ~]# gluster volume info
>
> Volume Name: export_volume
> Type: Distribute
> Volume ID: c74cc970-31e2-4924-a244-4c70d958dadb
> Status: Started
> Number of Bricks: 2
> Transport-type: tcp
> Bricks:
> Brick1: hgluster01:/gluster_data
> Brick2: hgluster02:/gluster_data
> Options Reconfigured:
> performance.io-thread-count: 24
> server.event-threads: 20
> client.event-threads: 4
> performance.readdir-ahead: on
> features.inode-quota: on
> features.quota: on
> nfs.disable: off
> auth.allow: 192.168.10.*,10.0.10.*,10.8.0.*,10.2.0.*,10.0.60.*
> server.allow-insecure: on
> server.root-squash: on
> performance.read-ahead: on
> features.quota-deem-statfs: on
> diagnostics.brick-log-level: WARNING
>
>  When I try to backup a directory from Gluster Fuse or Gluster NFS mount
> and I monitor the network communication I only see data being pulled from
> the hgluster01 brick. When the job finishes Bareos thinks that it completed
> without error but included in the messages for the job are lots and lots of
> permission denied errors like this:
> 15-Jul 02:03 ripper.red.dsic.com-fd JobId 613:      Cannot open
> "/export/rclough/psdv-2014-archives-2/scan_111.tar.bak": ERR=Permission
> denied.
> 15-Jul 02:03 ripper.red.dsic.com-fd JobId 613:      Cannot open
> "/export/rclough/psdv-2014-archives-2/run_219.tar.bak": ERR=Permission
> denied.
> 15-Jul 02:03 ripper.red.dsic.com-fd JobId 613:      Cannot open
> "/export/rclough/psdv-2014-archives-2/scan_112.tar.bak": ERR=Permission
> denied.
> 15-Jul 02:03 ripper.red.dsic.com-fd JobId 613:      Cannot open
> "/export/rclough/psdv-2014-archives-2/run_220.tar.bak": ERR=Permission
> denied.
> 15-Jul 02:03 ripper.red.dsic.com-fd JobId 613:      Cannot open
> "/export/rclough/psdv-2014-archives-2/scan_114.tar.bak": ERR=Permission
> denied.
>
>  At first I thought this might be a root-squash problem but, if I try to
> read/copy a file using the root user from the Bareos server that is trying
> to do the backup, I can read files just fine.
>
>  When the job finishes is reports that it finished "OK -- with warnings"
> but, again the log for the job is filled with "ERR=Permission denied"
> messages. In my opinion, this job did not finish OK and should be Failed.
> Some of the files from the HGluster02 brick are backed up but all of the
> ones with permission errors do not. When I restore the job, all of the
> files with permission errors are empty.
>
>  Has anyone successfully used Bareos to backup data from Gluster mounts?
> This is an important use case for us because this is the largest single
> volume that we have to prepare large amounts of data to be archived.
>
>  Thank you for your time,
>   ___________________________________________
> ¯\_(ツ)_/¯
> Ryan Clough
> Information Systems
> Decision Sciences International Corporation
> <http://www.decisionsciencescorp.com/>
> <http://www.decisionsciencescorp.com/>
>
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>

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